4320-01-308-8753 (709-4684914)
NSN 4320-01-308-8753 (NIIN 01-308-8753) is a pump shaft sleeve in Federal Supply Class 4320, Power And Hand Pumps — a tubular shaped metallic item designed to provide a replaceable wearing surface for a centrifugal pump shaft. Manufacturer part number 709-4684914 (Naval Ship Systems Command, CAGE 80064); also referenced as 57363, ENDM 57363 ITEM, ENDM 57363 ITGM 77 (Electric Boat Corporation).
NIIN assigned October 1989; DEMIL A (none required); unit of issue EA (each), $85.86 gov standard price; export Schedule B 8413.91.9520; ships at 7 lb / 0.0203 cu ft.